When searching for a virus name, you should be acquainted with the naming conventions used by Avira antivirus. Virus names consist of a prefix and a name. The following prefixes are used by Avira:

- ABAP: SAP virus
- ACAD: Autocad virus
- AM: macro virus for MS Access
- A97M: macro virus for MS Access 97
- APM: macro virus or trojan horse. Infects Ami Pro documents and templates
- ASM: source code of an assembler-virus
- Bash: shell script
- BAT: batch script
- BDC: backdoor client program
- BDS: backdoor program server
- Boo: boot sector virus
- CSC: Corel script virus
- Csh: shel script
- DIAL: dialer
- DOS: DOS virus
- DR: dropper for different types of viruses
- EML: special type of coding for mail data
- Game: games
- HLLx: High Level Language virus (x may be P/C/O/T/W, for different languages)
- HLP: virus for help files
- HTML: script virus for HTML data
- INF: INF files, for installing programs
- INI: INI files, contain executable scripts in IRC programs, for example
- IRC: IRC script virus
- JAVA: Java Applet virus
- Joke: a harmless joke program
- JS: javascript virus or Trojan horse
- JSc: Javascript virus or Trojan horse
- Kit: virus generating kits
- Linux: linux viruses in Shell or ELF-Format
- MIRC: script virus
- O2000M: macro virus for Microsoft Office 2000
- 097M: macro virus for Microsoft Office 97
- OS2: OS/2 virus
- P2000M: macro virus for Microsoft Project 2000
- P97M: macro virus for Microsoft PowerPoint 97
- Palm: PalmOS virus
- Perl: perl virus script
- PDF: virus for PDF files
- PHP: virus for PHP files
- PIF: virus for PIF files
- PP: virus for Powerpoint or Project files
- Sh: shell script
- SPR: Security Privacy Risk
- SWF: virus in Shockwave Flash format
- Sys: system virus
- TR: is present as complete file and infects no further
- Unix: unix virus in Shell or ELF-Format
- UWS: Unwanted Software, not necessarily Malicious Software
- VBS: Visual Basic Script virus
- Vgen: virus generator
- VXD: virus as device driver for Windows 9x
- W16: virus for Windows 3.x
- W2000: virus for Windows 2000
- W2000M: macro virus for Microsoft Word 2000
- W32: virus only for 32 bits Windows versions (Windows 9x/Me/NT/2000/XP).
- W95: virus for Windows 9x/Me
- W97M: macro virus for Microsoft Word 97
- WB: WinBatch
- WIN: virus for 16 and 32 bits Windows versions (Windows 3.1x/9x/Me/NT/2000/XP).
- WIN2k: virus for Windows 2000/NT
- WM: macro virus for Microsoft Word 95
- Worm: worm type malware
- Wscr: generic Windows script virus
- X2000M: macro virus for Microsoft Excel 2000
- X97F: macro virus for Microsoft Excel 97 (uses Excel formula to spread)
- X97M: macro virus for Microsoft Excel 97
- XF: macro virus for Microsoft Excel 95 (uses Excel formula to spread)
- XM: macro virus for Microsoft Excel 95


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